Earthquake with magnitude of ML 2.5 on date 18-02-2018 and time 00:30:41 (Italy) in region Near south coast of France [Land: France]

A magnitude ML 2.5 earthquake occured in region: Near south coast of France [Land: France], on

  • 17-02-2018 23:30:41 (UTC)
  • 18-02-2018 00:30:41 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 43.5740, 6.6580 at 14 km depth.

The earthquake was located by: Bollettino Sismico Italiano INGV.

Search earthquakes: Any within 30 km radius

The values of hypocentral coordinates and magnitude may be revised at a later time as more information becomes available.

Municipalities within 20 km from the epicenter

No Italian municipalities within 20 km distance.

Municipalities with at least 50000 inhabitants

An earthquake occurred to
95 Km W of Sanremo (54807 inhabitants)
Recent and historical seismicity
Seismic hazard
Shakemap
Felt maps
Locations history
Type Magnitude Date and Time (UTC) Latitude Longitude Depth (km) Published time (UTC) Author Location ID
Bulletin
Rev1000
ML 2.5 2018-02-17
23:30:41
43.574 6.6577 14 2019-04-24
14:49:45
Bollettino Sismico Italiano INGV 64940171
Reviewed
Rev100
ML 2.5 2018-02-17
23:30:41
43.6383 6.7353 2 2018-02-17
23:41:21
Sala Sismica INGV-Roma 53984811
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2018-02-17 23:30:41 ± 0.2
Latitude 43.5740 ± 0.0099
Longitude 6.6577 ± 0.0087
Depth (km) 14 ± 2 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-INGV
Event type earthquake
Origin ID 64940171

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 1034
Semi-minor axis of confidence ellipse (meter) 385
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 13
Circular confidence region, given by single value of horizontal uncertainty (meter) 1030.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 289
Number of associated phases, regardless of their use for origin computation 23
Number of defining phases 23
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.21
Epicentral distance of station closest to the epicenter (degree) 0.00000
Epicentral distance of station farthest from the epicenter (degree) 1.47759
Number of stations at which the event was observed 12
Number of stations from which data was used for origin computation 12
Magnitudes information

ML:2.5

Field Value
Value 2.5
Uncertainty 0.2
Num. used stations 20
Type of magnitude ML
Reference to an origin 64940171
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2019-01-25 18:35:44

ML:2.5

Field Value
Value 2.5
Uncertainty 0.3
Num. used stations 22
Type of magnitude ML
Reference to an origin 53984811
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2018-02-17 23:41:21
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.QLNO.HHZ. 2018-02-17T23:31:26.51 0.6 undecidable manual S 58 158.4192 91 0.04 42
GU.RRL.HHE. 2018-02-17T23:31:24.66 0.6 undecidable manual S 4 149.739 91 0.5 40
GU.BHB.HHZ. 2018-02-17T23:31:23.12 0.6 undecidable manual S 19 147.9408 91 -0.55 38
GU.CANO.HHZ. 2018-02-17T23:31:22.78 0.6 undecidable manual S 60 144.5442 91 0.03 44
GU.RORO.HHZ. 2018-02-17T23:31:18.09 0.6 undecidable manual S 62 127.5723 92 -0.12 45
GU.GBOS.HHZ. 2018-02-17T23:31:16.39 0.6 undecidable manual S 52 120.0909 92 0.17 45
GU.PZZ.HHZ. 2018-02-17T23:31:13.57 0.6 undecidable manual S 19 109.7124 92 0.1 47
IV.IMI.HHZ. 2018-02-17T23:31:12.78 0.6 undecidable manual S 69 105.8163 92 0.35 44
GU.STV.HHZ. 2018-02-17T23:31:08.31 0.6 undecidable manual S 35 91.6416 92 -0.34 46
MN.BNI.HHZ. 2018-02-17T23:31:08.75 0.3 undecidable manual P 1 164.0136 91 0.35 58
IV.QLNO.HHZ. 2018-02-17T23:31:07.85 0.3 undecidable manual P 58 158.4192 91 0.3 59
FR.SAOF.HHZ.00 2018-02-17T23:31:06.59 0.3 undecidable manual S -0.09 73
GU.RRL.HHE. 2018-02-17T23:31:05.92 0.6 undecidable manual P 4 149.739 91 -0.3 41
GU.BHB.HHZ. 2018-02-17T23:31:05.27 0.3 undecidable manual P 19 147.9408 91 -0.66 55
GU.CANO.HHZ. 2018-02-17T23:31:05.41 0.3 undecidable manual P 60 144.5442 91 0 66
GU.BURY.HHZ. 2018-02-17T23:31:04.58 0.6 undecidable manual S 72 75.7686 93 0.17 49
GU.RORO.HHZ. 2018-02-17T23:31:02.72 0.3 undecidable manual P 62 127.5723 92 -0.07 68
GU.GBOS.HHZ. 2018-02-17T23:31:01.77 0.3 undecidable manual P 52 120.0909 92 0.14 68
GU.PZZ.HHZ. 2018-02-17T23:31:00.29 0.1 positive manual P 19 109.7124 92 0.24 91
IV.IMI.HHZ. 2018-02-17T23:30:59.27 0.3 undecidable manual P 69 105.8163 92 -0.17 70
GU.STV.HHZ. 2018-02-17T23:30:57.36 0.1 positive manual P 35 91.6416 92 0.09 97
FR.SAOF.HHZ.00 2018-02-17T23:30:55.80 0.6 negative manual P -0.42 45
GU.BURY.HHZ. 2018-02-17T23:30:54.90 0.1 undecidable manual P 72 75.7686 93 0.08 100
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
GU.BURY.HHN. ML:2.8 0.000894 0.38 AML other m 2018-02-17T23:31:06.38
GU.BURY.HHE. ML:2.5 0.0004995 0.92 AML other m 2018-02-17T23:31:06.37
FR.SAOF.HHN.00 ML:2.3 0.0002655 0.42 AML other m 2018-02-17T23:31:07.25
FR.SAOF.HHE.00 ML:2.4 0.00029400000000000004 0.44 AML other m 2018-02-17T23:31:08.35
GU.STV.HHN. ML:2.4 0.00029949999999999996 1.06 AML other m 2018-02-17T23:31:09.40
GU.STV.HHE. ML:2.5 0.00034199999999999996 0.52 AML other m 2018-02-17T23:31:10.29
IV.IMI.HHN. ML:2.6 0.00035049999999999995 0.2 AML other m 2018-02-17T23:31:14.31
GU.PZZ.HHE. ML:2.8 0.000605 1.28 AML other m 2018-02-17T23:31:14.96
GU.PZZ.HHN. ML:2.8 0.0004984999999999999 0.22 AML other m 2018-02-17T23:31:14.97
IV.IMI.HHE. ML:2.4 0.0002385 0.42 AML other m 2018-02-17T23:31:16.24
GU.GBOS.HHE. ML:2.6 0.0002725 1.24 AML other m 2018-02-17T23:31:16.34
GU.GBOS.HHN. ML:2.6 0.0002675 1.2 AML other m 2018-02-17T23:31:17.60
GU.RORO.HHE. ML:2.6 0.0002515 1.14 AML other m 2018-02-17T23:31:19.38
GU.RORO.HHN. ML:2.5 0.0002095 0.68 AML other m 2018-02-17T23:31:19.72
GU.BHB.HHE. ML:2.5 0.000166 0.4 AML other m 2018-02-17T23:31:24.28
GU.CANO.HHN. ML:2.8 0.00033999999999999997 0.42 AML other m 2018-02-17T23:31:24.60
GU.BHB.HHN. ML:2.4 0.000123 0.56 AML other m 2018-02-17T23:31:26.58
GU.CANO.HHE. ML:2.7 0.000243 0.86 AML other m 2018-02-17T23:31:26.43
MN.BNI.HHN. ML:2.1 0.000054099999999999994 0.54 AML other m 2018-02-17T23:31:30.06
MN.BNI.HHE. ML:2.1 0.00006225 0.54 AML other m 2018-02-17T23:31:31.27
TDMT - Time Domain Moment Tensor
Fault Plane solutions in the area
Download
Type Description Link
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QuakeML - full Event, Origin, FocalMechanism, Amplitude, Arrival, Pick, Station Magnitude Download
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